xbNtx Class Reference

xbNtx class More...

#include <ntx.h>

Inheritance diagram for xbNtx:

Public Member Functions
xbLong	GetLeftNodeNo (xbShort, xbNodeLink *)
xbShort	CompareKey (const char *, const char *, xbShort)
xbShort	CompareKey (const char *, const char *)
xbLong	GetDbfNo (xbShort, xbNodeLink *)
char *	GetKeyData (xbShort, xbNodeLink *)
xbUShort	GetItemOffset (xbShort, xbNodeLink *, xbShort)
xbUShort	InsertKeyOffset (xbShort, xbNodeLink *)
xbUShort	GetKeysPerNode (void)
xbShort	GetHeadNode (void)
xbShort	GetLeafNode (xbLong, xbShort)
xbNodeLink *	GetNodeMemory (void)
xbLong	GetNextNodeNo (void)
void	ReleaseNodeMemory (xbNodeLink *)
xbULong	GetLeafFromInteriorNode (const char *, xbShort)
xbShort	CalcKeyLen (void)
xbShort	PutKeyData (xbShort, xbNodeLink *)
xbShort	PutLeftNodeNo (xbShort, xbNodeLink *, xbLong)
xbShort	PutLeafNode (xbLong, xbNodeLink *)
xbShort	PutHeadNode (NtxHeadNode *, FILE *, xbShort)
xbShort	TouchIndex (void)
xbShort	PutDbfNo (xbShort, xbNodeLink *, xbLong)
xbShort	PutKeyInNode (xbNodeLink *, xbShort, xbLong, xbLong, xbShort)
xbShort	SplitLeafNode (xbNodeLink *, xbNodeLink *, xbShort, xbLong)
xbShort	SplitINode (xbNodeLink *, xbNodeLink *, xbLong)
xbShort	AddToIxList (void)
xbShort	RemoveFromIxList (void)
xbShort	RemoveKeyFromNode (xbShort, xbNodeLink *)
xbShort	DeleteKeyFromNode (xbShort, xbNodeLink *)
xbShort	JoinSiblings (xbNodeLink *, xbShort, xbNodeLink *, xbNodeLink *)
xbUShort	DeleteKeyOffset (xbShort, xbNodeLink *)
xbShort	FindKey (const char *, xbShort, xbShort)
xbShort	UpdateParentKey (xbNodeLink *)
xbShort	GetFirstKey (xbShort)
xbShort	GetNextKey (xbShort)
xbShort	GetLastKey (xbLong, xbShort)
xbShort	GetPrevKey (xbShort)
void	UpdateDeleteList (xbNodeLink *)
void	ProcessDeleteList (void)
xbShort	FindKey (const char *, xbLong)
xbShort	CloneNodeChain (void)
xbShort	UncloneNodeChain (void)
	xbNtx ()
	xbNtx (xbDbf *)
xbShort	OpenIndex (const char *)
xbShort	CloseIndex (void)
void	DumpHdrNode (void)
void	DumpNodeRec (xbLong)
xbShort	CreateIndex (const char *, const char *, xbShort, xbShort)
xbLong	GetTotalNodes (void)
xbLong	GetCurDbfRec (void)
void	DumpNodeChain (void)
xbShort	CreateKey (xbShort, xbShort)
xbShort	GetCurrentKey (char *key)
xbShort	AddKey (xbLong)
xbShort	UniqueIndex (void)
xbShort	DeleteKey (xbLong DbfRec)
xbShort	KeyWasChanged (void)
xbShort	FindKey (const char *)
xbShort	FindKey (void)
xbShort	FindKey (xbDouble)
xbShort	GetNextKey (void)
xbShort	GetLastKey (void)
xbShort	GetFirstKey (void)
xbShort	GetPrevKey (void)
xbShort	ReIndex (void(*statusFunc)(xbLong itemNum, xbLong numItems)=0)
xbShort	KeyExists (char *Key)
xbShort	KeyExists (xbDouble)
xbShort	AllocKeyBufs (void)
virtual void	GetExpression (char *buf, int len)
Public Member Functions inherited from xbIndex
	xbIndex ()
	xbIndex (xbDbf *)
virtual	~xbIndex ()
virtual xbShort	LockIndex (const xbShort, const xbShort) const
virtual void	SetNodeSize (xbShort size)
virtual xbShort	GetNodeSize (void)

Public Attributes
NtxHeadNode	HeadNode
NtxLeafNode	LeafNode
xbLong	NodeLinkCtr
xbLong	ReusedNodeLinks
char	Node [XB_NTX_NODE_SIZE]
xbNodeLink *	NodeChain
xbNodeLink *	FreeNodeChain
xbNodeLink *	CurNode
xbNodeLink *	DeleteChain
xbNodeLink *	CloneChain
NtxItem	PushItem
Public Attributes inherited from xbIndex
xbIndex *	index
xbDbf *	dbf
xbExpNode *	ExpressionTree
xbString	IndexName
FILE *	indexfp
int	IndexStatus
xbLong	CurDbfRec
char *	KeyBuf
char *	KeyBuf2
xbShort	NodeSize

Detailed Description

xbNtx class

Constructor & Destructor Documentation

xbNtx::xbNtx ( )

inline

xbNtx::xbNtx

(

xbDbf *

)

Member Function Documentation

xbShort xbNtx::AddKey ( xbLong  )

virtual

Implements xbIndex.

xbShort xbNtx::AddToIxList

(

void

)

xbShort xbNtx::AllocKeyBufs

(

void

)

xbShort xbNtx::CalcKeyLen

(

void

)

xbShort xbNtx::CloneNodeChain

(

void

)

xbShort xbNtx::CloseIndex ( void  )

virtual

Implements xbIndex.

xbShort xbNtx::CompareKey	(	const char *	,
		const char *	,
		xbShort
	)

xbShort xbNtx::CompareKey	(	const char *	,
		const char *
	)

xbShort xbNtx::CreateIndex ( const char *  , const char *  , xbShort  , xbShort    )

virtual

Implements xbIndex.

xbShort xbNtx::CreateKey ( xbShort  , xbShort    )

virtual

Implements xbIndex.

xbShort xbNtx::DeleteKey ( xbLong  DbfRec )

virtual

Implements xbIndex.

xbShort xbNtx::DeleteKeyFromNode	(	xbShort	,
		xbNodeLink *
	)

xbUShort xbNtx::DeleteKeyOffset	(	xbShort	,
		xbNodeLink *
	)

void xbNtx::DumpHdrNode

(

void

)

void xbNtx::DumpNodeChain

(

void

)

void xbNtx::DumpNodeRec

(

xbLong

)

xbShort xbNtx::FindKey	(	const char *	,
		xbShort	,
		xbShort
	)

xbShort xbNtx::FindKey	(	const char *	,
		xbLong
	)

xbShort xbNtx::FindKey ( const char *  )

virtual

Implements xbIndex.

xbShort xbNtx::FindKey ( void  )

virtual

Implements xbIndex.

xbShort xbNtx::FindKey ( xbDouble  )

virtual

Implements xbIndex.

xbLong xbNtx::GetCurDbfRec ( void  )

inlinevirtual

Implements xbIndex.

xbShort xbNtx::GetCurrentKey ( char *  key )

virtual

Implements xbIndex.

xbLong xbNtx::GetDbfNo	(	xbShort	,
		xbNodeLink *
	)

virtual void xbNtx::GetExpression ( char *  buf, int  len  )

virtual

Implements xbIndex.

xbShort xbNtx::GetFirstKey

(

xbShort

)

xbShort xbNtx::GetFirstKey ( void  )

inlinevirtual

Implements xbIndex.

xbShort xbNtx::GetHeadNode

(

void

)

xbUShort xbNtx::GetItemOffset	(	xbShort	,
		xbNodeLink *	,
		xbShort
	)

char* xbNtx::GetKeyData	(	xbShort	,
		xbNodeLink *
	)

xbUShort xbNtx::GetKeysPerNode

(

void

)

xbShort xbNtx::GetLastKey	(	xbLong	,
		xbShort
	)

xbShort xbNtx::GetLastKey ( void  )

inlinevirtual

Implements xbIndex.

xbULong xbNtx::GetLeafFromInteriorNode	(	const char *	,
		xbShort
	)

xbShort xbNtx::GetLeafNode	(	xbLong	,
		xbShort
	)

xbLong xbNtx::GetLeftNodeNo	(	xbShort	,
		xbNodeLink *
	)

xbShort xbNtx::GetNextKey

(

xbShort

)

xbShort xbNtx::GetNextKey ( void  )

inlinevirtual

Implements xbIndex.

xbLong xbNtx::GetNextNodeNo

(

void

)

xbNodeLink* xbNtx::GetNodeMemory

(

void

)

xbShort xbNtx::GetPrevKey

(

xbShort

)

xbShort xbNtx::GetPrevKey ( void  )

inlinevirtual

Implements xbIndex.

xbLong xbNtx::GetTotalNodes ( void  )

virtual

Implements xbIndex.

xbUShort xbNtx::InsertKeyOffset	(	xbShort	,
		xbNodeLink *
	)

xbShort xbNtx::JoinSiblings	(	xbNodeLink *	,
		xbShort	,
		xbNodeLink *	,
		xbNodeLink *
	)

xbShort xbNtx::KeyExists ( char *  Key )

inline

xbShort xbNtx::KeyExists ( xbDouble  )

virtual

Implements xbIndex.

xbShort xbNtx::KeyWasChanged ( void  )

virtual

Implements xbIndex.

xbShort xbNtx::OpenIndex ( const char *  )

virtual

Implements xbIndex.

void xbNtx::ProcessDeleteList

(

void

)

xbShort xbNtx::PutDbfNo	(	xbShort	,
		xbNodeLink *	,
		xbLong
	)

xbShort xbNtx::PutHeadNode	(	NtxHeadNode *	,
		FILE *	,
		xbShort
	)

xbShort xbNtx::PutKeyData	(	xbShort	,
		xbNodeLink *
	)

xbShort xbNtx::PutKeyInNode	(	xbNodeLink *	,
		xbShort	,
		xbLong	,
		xbLong	,
		xbShort
	)

xbShort xbNtx::PutLeafNode	(	xbLong	,
		xbNodeLink *
	)

xbShort xbNtx::PutLeftNodeNo	(	xbShort	,
		xbNodeLink *	,
		xbLong
	)

xbShort xbNtx::ReIndex ( void(*)(xbLong itemNum, xbLong numItems)  statusFunc = 0 )

virtual

Implements xbIndex.

void xbNtx::ReleaseNodeMemory

(

xbNodeLink *

)

xbShort xbNtx::RemoveFromIxList

(

void

)

xbShort xbNtx::RemoveKeyFromNode	(	xbShort	,
		xbNodeLink *
	)

xbShort xbNtx::SplitINode	(	xbNodeLink *	,
		xbNodeLink *	,
		xbLong
	)

xbShort xbNtx::SplitLeafNode	(	xbNodeLink *	,
		xbNodeLink *	,
		xbShort	,
		xbLong
	)

xbShort xbNtx::TouchIndex ( void  )

virtual

Reimplemented from xbIndex.

xbShort xbNtx::UncloneNodeChain

(

void

)

xbShort xbNtx::UniqueIndex ( void  )

inlinevirtual

Implements xbIndex.

void xbNtx::UpdateDeleteList

(

xbNodeLink *

)

xbShort xbNtx::UpdateParentKey

(

xbNodeLink *

)

Member Data Documentation

xbNodeLink* xbNtx::CloneChain

xbNodeLink* xbNtx::CurNode

xbNodeLink* xbNtx::DeleteChain

xbNodeLink* xbNtx::FreeNodeChain

NtxHeadNode xbNtx::HeadNode

NtxLeafNode xbNtx::LeafNode

char xbNtx::Node[XB_NTX_NODE_SIZE]

xbNodeLink* xbNtx::NodeChain

xbLong xbNtx::NodeLinkCtr

NtxItem xbNtx::PushItem

xbLong xbNtx::ReusedNodeLinks

---

The documentation for this class was generated from the following file:

• ntx.h